Scottish Natural Heritage. Research and Advisory Services Directorate, Boon, P. J., & Howell, D. L. (1997). Freshwater quality : defining the indefinable? / edited by P.J. Boon and D.L. Howell: Defining the indefinable? Stationery Office.
Chicago Style (17th ed.) CitationScottish Natural Heritage. Research and Advisory Services Directorate, P. J. Boon, and D. L. Howell. Freshwater Quality : Defining the Indefinable? / Edited by P.J. Boon and D.L. Howell: Defining the Indefinable? Edinburgh: Stationery Office, 1997.
MLA (9th ed.) CitationScottish Natural Heritage. Research and Advisory Services Directorate, et al. Freshwater Quality : Defining the Indefinable? / Edited by P.J. Boon and D.L. Howell: Defining the Indefinable? Stationery Office, 1997.
Warning: These citations may not always be 100% accurate.